2211232011 has 4 divisors (see below), whose sum is σ = 2948309352. Its totient is φ = 1474154672.

The previous prime is 2211231961. The next prime is 2211232019. The reversal of 2211232011 is 1102321122.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2211232011 - 2⁶ = 2211231947 is a prime.

It is a super-2 number, since 2×2211232011² = 9779094012942208242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2211232019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 368538666 + ... + 368538671.

It is an arithmetic number, because the mean of its divisors is an integer number (737077338).

Almost surely, 2^2211232011 is an apocalyptic number.

2211232011 is a deficient number, since it is larger than the sum of its proper divisors (737077341).

2211232011 is an equidigital number, since it uses as much as digits as its factorization.

2211232011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 737077340.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 2211232011 is about 47023.7388028642. The cubic root of 2211232011 is about 1302.8010630771.

Adding to 2211232011 its reverse (1102321122), we get a palindrome (3313553133).

The spelling of 2211232011 in words is "two billion, two hundred eleven million, two hundred thirty-two thousand, eleven".